Lamp



FIG. 1 is a perspective view of a lamp showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown herein are for the purpose of illustrating portions of the lamp and form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 